Finding the Fourth Proportional to 3,621,672,421.20, 5,432,508,631.80 and 1,036,743,397.20
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Solution
The fourth proportional to 3,621,672,421.20, 5,432,508,631.80 and 1,036,743,397.20 is: 1,555,115,095.80
Step by Step Solution
- Step 1: Write the proportion equation
3,621,672,421.20 : 5,432,508,631.80 = 1,036,743,397.20 : x - Step 2: Convert to fraction form
3,621,672,421.20/5,432,508,631.80 = 1,036,743,397.20/x - Step 3: Cross multiply
3,621,672,421.20x = 5,432,508,631.80 × 1,036,743,397.20 - Step 4: Simplify right side
3,621,672,421.20x = 5,632,117,454,250,656,768 - Step 5: Solve for x
x = 5,632,117,454,250,656,768/3,621,672,421.20 - Step 6: Final answer
x = 1,555,115,095.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.